Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Susan Lynn O'Neill-Sigur, MA

Individual provider Case Manager/Care Coordinator · NPI 1811868672

Susan Lynn O'Neill-Sigur, MA is a Case Manager/Care Coordinator in Clearlake, California. Licensed in California. Registered with an NPI since 2025.

Licensed in
CA
In the registry since
2025
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

7000B S Center Dr
Clearlake, CA 95422-8458
Phone: (707) 994-7090
Fax: (530) 232-0293
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X (CA)

Record details

NPI number1811868672
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA
Sole proprietorNo
NPI enumeratedSeptember 15, 2025
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025

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